Dispensing closure plug



FIG. 1 is a perspective view of a dispensing closure plug showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is the opposite side view thereof;

FIG. 6 is a top view thereof; and

FIG. 7 is a bottom view thereof. 

The ornamental design for a dispensing closure plug, substantially as shown and described. 